York 031-01065E REV.1 Chiller Card Control Module Circuit Board

This is a York 031-01065E REV.1 Chiller Card Control Module Circuit Board, used in York HVAC chiller systems for managing and monitoring refrigeration operations. Manufacturer: York International (now Johnson Controls) Model: 031-01065E Revision: 1 Type: Control Card / Logic Module Function: Manages compressor control, evaporator and condenser logic, and overall system sequencing for chiller units. Voltage: Typically 24 VDC low-voltage control circuit Features: • Multiple input/output channels for sensors and relays • Integrated microprocessor for system logic and fault handling • Edge connectors for communication with main control bus • Diagnostic interface for service and troubleshooting Components: • Analog/digital ICs for temperature, pressure, and flow signal conditioning • EEPROM/EPROM memory chips for control program storage • Relays and transistors for output control • Capacitors, resistors, and isolation diodes for protection and filtering Applications: • York YK, YS, and YC series chillers • Used in OptiView or OptiSpeed control systems Construction: • Multi-layer PCB with conformal coating for humidity protection • Gold edge connector for stable communication contacts Manufacturer Location: York, Pennsylvania, USA Please review pictures carefully and let us know if you have any questions!